A chocolate company selects 50 random packages to check their weight. It finds that 2 packages have an incorrect weight. How man
y packages out of 2000 should the company predict have an incorrect weight.
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
80
Step-by-step explanation:
A company selects 50 random packages from which two of them have an incorrect weight. That is to say: 4% of the packages are incorrrect. 
Now if the company selects 2000 packages, we could predict that 4% of them could be incorrect. We know that 2000×0.04 = 80.
Therefore, 80 out of 2000 packages are expected to have an incorrect weight. 
 
                                
             
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Answer:
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Answer:
it is 35 degrees 
Step-by-step explanation:
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Answer:
a) x = 18
b) y = 35
c) t = 4.5
Step-by-step explanation:
a) x + x + x = 54
 3x = 54
 x = 54 ÷ 3
 x = 18
b) y/5 = 7
 (y/5) × 5 = 7 × 5
 y = 35
c) 4t + 6 = 24
 4t +6 - 6 = 24 -6
 4t = 18
 4t ÷ 4 = 18 ÷ 4
 t = 4.5 
 
        
             
        
        
        
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